import datetime
from django.utils import timezone
from django.test import TestCase
from .models import Question

class QuestionMethodTests(TestCase):
    def test_was_published_recently_with_future_question(self):
        time = timezone.now() + datetime.timedelta(days=30)
        future_question = Question(pub_date=time)
        self.assertIs(future_question.was_published_recently(), False)

        '''
        TestCase来自django.test，有辅助测试的功能，它的子类会对类内以"test_"开头的方法进行测试。前提得运行测试：
        python manage.py test polls
        '''

    def test_was_published_recently_with_recent_question(self):
        time = timezone.now() - datetime.timedelta(hours=23, minutes=59,seconds=59)
        recent_question = Question(pub_date=time)
        self.assertIs(recent_question.was_published_recently(), True)